136545616673 has 2 divisors, whose sum is σ = 136545616674. Its totient is φ = 136545616672.

The previous prime is 136545616663. The next prime is 136545616769. The reversal of 136545616673 is 376616545631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125158165729 + 11387450944 = 353777^2 + 106712^2 .

It is a cyclic number.

It is not a de Polignac number, because 136545616673 - 2⁶ = 136545616609 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (136545616663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68272808336 + 68272808337.

It is an arithmetic number, because the mean of its divisors is an integer number (68272808337).

Almost surely, 2^136545616673 is an apocalyptic number.

It is an amenable number.

136545616673 is a deficient number, since it is larger than the sum of its proper divisors (1).

136545616673 is an equidigital number, since it uses as much as digits as its factorization.

136545616673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8164800, while the sum is 53.

The spelling of 136545616673 in words is "one hundred thirty-six billion, five hundred forty-five million, six hundred sixteen thousand, six hundred seventy-three".